pci-acpi.h 2.5 KB

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  1. /*
  2. * File pci-acpi.h
  3. *
  4. * Copyright (C) 2004 Intel
  5. * Copyright (C) Tom Long Nguyen (tom.l.nguyen@intel.com)
  6. */
  7. #ifndef _PCI_ACPI_H_
  8. #define _PCI_ACPI_H_
  9. #include <linux/acpi.h>
  10. #ifdef CONFIG_ACPI
  11. extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
  12. static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
  13. {
  14. return acpi_remove_pm_notifier(dev);
  15. }
  16. extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
  17. struct pci_dev *pci_dev);
  18. static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
  19. {
  20. return acpi_remove_pm_notifier(dev);
  21. }
  22. extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
  23. static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
  24. {
  25. struct pci_bus *pbus = pdev->bus;
  26. /* Find a PCI root bus */
  27. while (!pci_is_root_bus(pbus))
  28. pbus = pbus->parent;
  29. return ACPI_HANDLE(pbus->bridge);
  30. }
  31. static inline acpi_handle acpi_pci_get_bridge_handle(struct pci_bus *pbus)
  32. {
  33. struct device *dev;
  34. if (pci_is_root_bus(pbus))
  35. dev = pbus->bridge;
  36. else {
  37. /* If pbus is a virtual bus, there is no bridge to it */
  38. if (!pbus->self)
  39. return NULL;
  40. dev = &pbus->self->dev;
  41. }
  42. return ACPI_HANDLE(dev);
  43. }
  44. void acpi_pci_add_bus(struct pci_bus *bus);
  45. void acpi_pci_remove_bus(struct pci_bus *bus);
  46. #ifdef CONFIG_ACPI_PCI_SLOT
  47. void acpi_pci_slot_init(void);
  48. void acpi_pci_slot_enumerate(struct pci_bus *bus);
  49. void acpi_pci_slot_remove(struct pci_bus *bus);
  50. #else
  51. static inline void acpi_pci_slot_init(void) { }
  52. static inline void acpi_pci_slot_enumerate(struct pci_bus *bus) { }
  53. static inline void acpi_pci_slot_remove(struct pci_bus *bus) { }
  54. #endif
  55. #ifdef CONFIG_HOTPLUG_PCI_ACPI
  56. void acpiphp_init(void);
  57. void acpiphp_enumerate_slots(struct pci_bus *bus);
  58. void acpiphp_remove_slots(struct pci_bus *bus);
  59. void acpiphp_check_host_bridge(struct acpi_device *adev);
  60. #else
  61. static inline void acpiphp_init(void) { }
  62. static inline void acpiphp_enumerate_slots(struct pci_bus *bus) { }
  63. static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
  64. static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
  65. #endif
  66. #else /* CONFIG_ACPI */
  67. static inline void acpi_pci_add_bus(struct pci_bus *bus) { }
  68. static inline void acpi_pci_remove_bus(struct pci_bus *bus) { }
  69. #endif /* CONFIG_ACPI */
  70. #ifdef CONFIG_ACPI_APEI
  71. extern bool aer_acpi_firmware_first(void);
  72. #else
  73. static inline bool aer_acpi_firmware_first(void) { return false; }
  74. #endif
  75. #endif /* _PCI_ACPI_H_ */